Obsessed with Running?

I did not marvel at the architecture or think about the technology and large sums of money needed to build such a project. No, my first thought was the length of the bridge is the same distance as a marathon.

Of course the winds would likely be a big factor but surely they could setup a point to point course starting at one end of the bridge and finishing at the other end.

What do you think? Do you ever find yourself having similar thoughts or is this just an example of my obsession with running?